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Fatboy

2020 Fatboy

The security and control that the Fatboy provides is unparalleled. Those fat, 27.5x3.8 tires dramatically boost your traction, grip, and floatation over the trail. We built the Fatboy with a durable list of components, like a SRAM 12-speed one-by drivetrain, that perform season after season.

A VERY FAT FLAVOR OF ADVENTURE

It boils down to a single word: adventure. The Fatboy's massive tires (27.5x3.8") float over rocks, roots, sand, snow, ice.... Let's put it this way, if it's part of mother earth, those big tires will roll right over it with a mix of comfort and traction that's unrivaled. Get out there.

• Premium, M5 alloy frame is light on the scales, yet holds up to any adventure.

• Lightweight carbon-fiber fork provides tons of compliance and absorbs chatter.

• The SRAM SX Eagle 1X drivetrain is simple, yet gives you plenty of gearing to tackle any climb.

Technical Specifications

Frameset

FRAME

Specialized M5 Aluminum, fully butted w/ Smooth Welds, tapered head tube and seat tube, forged post-mount 160mm disc dropouts, internal routing, forged bottom bracket shell, 197x12mm rear thru-axle

SEAT BINDER

Alloy, bolt-type, 34.9mm

Suspension

FORK

Specialized FACT carbon, 46mm offset, tapered steerer, 150mm axle

Cockpit

STEM

Specialized, 3D-forged alloy, 4-bolt, 7-degree rise

HANDLEBARS

Stout Riser, double-butted alloy, 9-degree backsweep, 5-degree upsweep, 15mm rise, 750mm / 780mm width, 31.8mm

GRIPS

Specialized Sip grip, half-waffle, S/M: regular thickness, L/XL: XL thickness

SADDLE

Specialized Bridge, size specific, 143/155

SEATPOST

Specialized 2-bolt head, forged alloy, 8mm offset, micro-adjust, 30.9mm

Brakes

FRONT BRAKE

SRAM Level T, hydraulic disc, 200/180mm

REAR BRAKE

SRAM Level T, hydraulic disc, 180/160mm

Drivetrain

REAR DERAILLEUR

SRAM SX Eagle, 12-speed

SHIFT LEVERS

SRAM SX Eagle, trigger, 12-speed

CHAIN

SRAM SX Eagle, 12-speed w/ PowerLock®

CRANKSET

SRAM X01 Eagle, DUB, 30T

CHAINRINGS

Steel, 30T

Wheels

RIMS

Stout XC 80, 27.5", alloy, 76mm internal width, disc-specific, tubeless ready

FRONT HUB

Stout Pro 150, sealed cartridge bearings, 6-bolt disc, 15x150mm, 32h

REAR HUB

Stout Pro 197, sealed cartridge bearings, 6-bolt disc, 12x197mm, 32h

FRONT TIRE

Maxxis Minion FBF, 120 TPI, EXO, 27.5 x 3.8"

REAR TIRE

Maxxis Minion FBR, 120 TPI, EXO, 27.5 x 3.8"

INNER TUBES

Presta valve

Wheels & Tires

SPOKES

Stainless, 14g

Accessories

PEDALS

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

SMLXL
Crank Length170mm175mm175mm175mm
Handlebar Width750mm750mm750mm750mm
Stem Length60mm60mm70mm70mm
Saddle Width155mm143mm143mm143mm
Seatpost Length350mm350mm400mm400mm
Stack602mm602mm617mm632mm
Reach395mm420mm437mm458mm
Head Tube Length94mm94mm110mm125mm
Head Tube Angle71°71°71°71°
BB Height312mm312mm312mm312mm
BB Drop60mm60mm60mm60mm
Trail83mm83mm83mm83mm
Fork Length, Full496mm496mm496mm496mm
Fork Rake/Offset47mm47mm47mm47mm
Front Center640mm665mm687mm713mm
Chainstay Length455mm455mm455mm455mm
Wheelbase1088mm1113mm1135mm1161mm
Top Tube Length, Horizontal579mm604mm626mm651mm
Bike Standover Height, Actual765mm786mm813mm847mm
Seat Tube Length394mm434mm470mm520mm
Seat Tube Angle73mm73mm73mm73mm
Geometry

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